Show images in search override for Joomla

 <?php
// go to your search override in templates/yourtemplate/html/con_search/default.php
// put this code above <?php foreach ($this->results as $result) : ?>

    $article = JTable::getInstance("content");
    $article->load($result->id);
    preg_match('/(?<!_)src=([\'"])?(.*?)\\1/',$article->introtext.$article->fulltext, $imagematches);
$imagematch = $imagematches[2];
$articleImages = json_decode($article->get('images'));
$articleImage =  ($articleImages->image_intro) ? $articleImages->image_intro : $articleImages->image_fulltext ;
if($articleImage == ''){
    $articleImage = $imagematch;
}
// go to result text section, find by "result text" end change with above
?>
<dd class="result-text">
        <div class="row">
    <?php if ($articleImage) :?>
            <div class="col-sm-3">
                <img src="<?php echo $articleImage;?>" />
            </div>
    <?php endif;?>
            <div class="col">
                <?php echo $result->text; ?>
            </div>
        </div>
    </dd>